Ever since the earth fell into an ice age.
Everyone is stuck in a frozen period.
Thousands of years later
"Do you know what the earth is?"
One child's eyes widened and he asked, "Earth? Where is that?"
"It is an ancient and mysterious ancient civilization that once shined so brightly..."
Another said with childish interest: "It's really unparalleled, especially the Chinese food."
Purpose: Spread the idea of protecting the environment